"As with any good teacher, this OReilly series attacks the material from a variety of angles. If you know it, or youre a quick learner, you can breeze right through. If youre like me, they try everything possible to make things comprehensible."
-- Dana Blankenhorn, Dana Blankenhorn & Paula Rooney, ZDNet.com

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-- Ira Laefsky, Amazon.com

"Bottom line, Head First Data Analysis is a book that could very well occupy an important spot on your shelf. And when the next argument about how Lotus should increase market share breaks out, you can do more than get emotionally involved. You can point out ways to test out those assumptions and make rational decisions. Wont THAT set you apart from the crowd! "
-- Thomas Duff, Duffbert's Random Musings

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-- Jerry Pournelle, Chaos Manor

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